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Regression Analysis

Report

Evaluation of the Shreveport Predictive Policing Experiment

This report documents an assessment of a predictive policing effort that was conducted to evaluate the crime reduction effects of policing guided by statistical predictions.

Jul 1, 2014
Journal Article

Multiple Imputation Results in Efficiency Gains

Large efficiency gains and substantial reduction in omitted variable bias are demonstrated in an application to sociodemographic differences in the risk of child obesity estimated from two nationally representative cohort surveys.

Nov 1, 2013
Research Brief

Do U.S. Military Interventions Occur in Clusters?

This research challenges the assumption that the timing of deployments and their distribution over time are serially independent, arguing that military interventions occur in temporal clusters driven by the number of interventions in the recent past.

Jun 25, 2013
Report

Are U.S. Military Interventions Contagious over Time? Intervention Timing and Its Implications for Force Planning

This report challenges the assumption that the timing of deployments and their distribution over time are serially independent, arguing that military interventions occur in temporal clusters driven by the number of interventions in the recent past.

May 17, 2013
Journal Article

Nonparametric Bayesian Multiple Imputation for Missing Data Due to Mid-Study Switching of Measurement Methods

Investigators often change how variables are measured during the middle of data-collection, for example, in hopes of obtaining greater accuracy or reducing costs.

Jul 1, 2012
Journal Article

Bias and Variance Trade-Offs When Combining Propensity Score Weighting and Regression: With an Application to HIV Status and Homeless Men

There is a bias-variance tradeoff at work in propensity score estimation; every step toward better balance usually means an increase in variance and at some point a marginal decrease in bias may not be worth the associated increase in variance.

Jun 1, 2012
Journal Article

Development of a Prognostic Model for Six-Month Mortality in Older Adults with Declining Health

Estimation of six-month prognosis is essential in hospice referral decisions, but accurate, evidence-based tools to assist in this task are lacking.

Mar 1, 2012
Journal Article

Examining Moderated Effects of Additional Adolescent Substance Use Treatment: Structural Nested Mean Model Estimation Using Inverse-Weighted Regression with Residuals

This article considers the problem of examining causal effect moderation using observational, longitudinal data in which treatment, candidate moderators, and putative confounders are time-varying.

Jan 1, 2012
Journal Article

Medical Expenditure Risk and Household Portfolio Choice

Ownership of risky assets rises as the risk of medical expenditure decreases. Medigap or employer supplemental insurance increases risky asset holding by about 7 percentage points. Belonging to a Medicare HMO increases risky asset holding by 13 percentage points.

Jan 1, 2012
Journal Article

Hypothesized, Directly-Coded Curve Shapes in Growth Curve Analysis: An Example

This article presents a step-by-step example of the use and testing of hypothesized curve shapes in the estimation of growth curves using hierarchical linear modeling for a small intervention study.

Jan 1, 2012
Journal Article

Evaluating the Gifted Program of an Urban School District Using a Modified Regression Discontinuity Design

This paper examines the impact of a gifted program on retention in an urban school district using a regression discontinuity design.

Aug 31, 2010
Journal Article

Estimating Conditional Proportion Curves by Regression Residuals

We propose a fully nonparametric empirical estimator using the standardized regression residuals from the general location-scale model y=m(x) + v(x)e for the original continuous measurement.

Jun 1, 2010
Journal Article

Power of Tests for a Dichotomous Independent Variable Measured with Error

Examines implications for statistical power of using predicted probabilities for a dichotomous variable rather than the actual variable. Information loss from not observing actual values can be large. Direct substitution is easy and efficient.

Dec 31, 2007
Journal Article

Population Constraints on Pooled Surveys in Demographic Hazard Modeling

In non-experimental research, data on the same population process may be collected simultaneously by more than one instrument.

Dec 31, 2007
Journal Article

Medicare Capitation Model, Functional Status, and Multiple Comorbidities: Model Accuracy

Examines financial implications of the Centers for Medicare & Medicaid Services Hierarchical Condition Categories risk-adjustment model on Medicare payments for individuals with comorbid chronic conditions. Some payments were underpredicted.

Dec 31, 2007
Journal Article

A Simple Identification Proof for a Mixture of Two Univariate Normal Distributions

A simple proof of the identification of a mixture of two univariate normal distributions is given.

Dec 31, 2007
Journal Article

The Sample Selection Model from a Method of Moments Perspective

It is shown how the usual two-step estimator for the standard sample selection model can be seen as a method of moments estimator.

Dec 31, 2006
Journal Article

Imputation of SF-12 Health Scores for Respondents with Partially Missing Data

Missing SF-12 items are prevalent and lead to reduced analytical power.

Dec 31, 2004
Journal Article

Improving Care for Minorities: Can Quality Improvement Interventions Improve Care and Outcomes for Depressed Minorities? Results of a Randomized, Controlled Trial

Quality improvement programs appear to improve quality of care without increasing disparities, and may offer an approach to reduce health disparities.

Dec 31, 2002
Report

Effect of the Variable Reenlistment Bonus on Reenlistment Rates: Empirical Results for FY 1971

A preliminary study affirming that the VRB is an effective policy tool for increasing first-term reenlistment rates.

Dec 31, 1974

RAND Topic:
Regression Analysis

Topic Synonyms:
Regression and Correlation Analysis